tang520.cn - robtex.com
tang520.cn
| DNSSEC | ⚠️ Not signed | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034722119 | ||||||
Same first word
DNS History
10 records (0 active, 10 former)
○NSns1.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○NSns1.nowcndns.com2026-04-28 → 2026-04-28 · 1 obs
○ 2026-04-28 06:17:20
○NSns2.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○NSns2.nowcndns.com2026-04-28 → 2026-04-28 · 1 obs
○ 2026-04-28 06:17:20
○NSns3.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○NSns4.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○NSns5.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○NSns6.ezdnscenter.com2015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
○A154.221.101.2082026-04-28 → 2026-04-28 · 1 obs
○ 2026-04-28 06:17:20
○A180.153.100.982015-05-18 → 2017-04-02 · 3 obs
● 2015-05-18 15:57:28
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
● 2017-04-02 19:08:46
○ 2026-04-28 06:17:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
✅ Authoritative Response
Server:203.119.25.1
NS records: a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|